#include<stdio.h>
int main(){
	char  cString[100];
	int iIndex,iWord=1;
	char cBlank;
	gets(cString);
	if(cString[0]=='\0'){
		printf("there is nno char!\n");
	}else if(cString[0]==' '){
		printf("First char just is a blank!\n");
	}else{
		for(iIndex=0;cString[iIndex]!='\0';iIndex++){
			cBlank=cString[iIndex];
			if(cBlank==' '){
				iWord++;
			}
		}
		printf("%d\n",iWord);
	}
	return 0;
}
